diff --git a/src/Commands/AppendContentCommand.php b/src/Commands/AppendContentCommand.php
index 0f40fd2..f902580 100644
--- a/src/Commands/AppendContentCommand.php
+++ b/src/Commands/AppendContentCommand.php
@@ -3,6 +3,7 @@
 namespace Hesto\Core\Commands;
 
 use Illuminate\Filesystem\Filesystem;
+use Illuminate\Support\Str;
 use Symfony\Component\Console\Input\InputOption;
 use Symfony\Component\Console\Input\InputArgument;
 
@@ -53,7 +54,6 @@ public function fire()
             if ($this->putContent($fullPath, $this->compileContent($fullPath, $setting))) {
                 $this->getInfoMessage($fullPath);
             }
-
         }
 
         return true;
@@ -71,7 +71,7 @@ protected function compileContent($path, $setting) //It should be compile method
         $originalContent = $this->files->get($path);
         $content = $this->replaceNames($this->files->get($setting['stub']));
 
-        if( ! str_contains(trim($originalContent), trim($content))) {
+        if (!Str::contains(trim($originalContent), trim($content))) {
 
             if ($setting['prefix']) {
                 $stub = $content . $setting['search'];
@@ -84,4 +84,4 @@ protected function compileContent($path, $setting) //It should be compile method
 
         return $originalContent;
     }
-}
+}
\ No newline at end of file
diff --git a/src/Commands/InstallAndReplaceCommand.php b/src/Commands/InstallAndReplaceCommand.php
index 42cc5ae..b5569f9 100644
--- a/src/Commands/InstallAndReplaceCommand.php
+++ b/src/Commands/InstallAndReplaceCommand.php
@@ -4,6 +4,7 @@
 
 use Illuminate\Console\Command;
 use Illuminate\Filesystem\Filesystem;
+use Illuminate\Support\Str;
 use Symfony\Component\Console\Input\InputOption;
 use Symfony\Component\Console\Input\InputArgument;
 use Hesto\Core\Traits\CanReplaceKeywords;
@@ -102,10 +103,10 @@ public function contentExists($path, $stub)
         $originalContent = $this->files->get($path);
         $content = $this->replaceNames($this->files->get($stub));
 
-        if(str_contains(trim($originalContent), trim($content))) {
+        if (Str::contains(trim($originalContent), trim($content))) {
             return true;
         }
 
         return false;
     }
-}
+}
\ No newline at end of file